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12 Commits
Author | SHA1 | Date | |
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6f2db37dff | |||
842662f3d5 | |||
d9f22bf634 | |||
587ed04903 | |||
8fdd73af45 | |||
34a43d4db6 | |||
253fd1f094 | |||
b13b47d1c0 | |||
8173828c62 | |||
3ead5f0492 | |||
a921025ce9 | |||
33d35654fc |
13
LICENSE
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13
LICENSE
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@@ -0,0 +1,13 @@
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Copyright (c) 2017+, Jack L. Frost <fbt@fleshless.org>
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Permission to use, copy, modify, and/or distribute this software for any purpose with or without
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fee is hereby granted, provided that the above copyright notice and this permission notice appear
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in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
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SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
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AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
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NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
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OF THIS SOFTWARE.
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9
README.md
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9
README.md
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@@ -0,0 +1,9 @@
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ssm
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===
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Yet another service manager.
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Services
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--------
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A service is a script in the ssm's init.d directory.
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By default it's /etc/ssm/init.d for system services and $XDG_CONFIG_HOME/ssm/init.d for user ones.
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113
ssm
113
ssm
@@ -4,11 +4,13 @@ shopt -s nullglob
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# Utility functions
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## Make setting default values a bit less awkward
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default() {
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declare -n _p=$1
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if ! [[ "$_p" ]]; then
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_p=$2
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fi
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declare -n _p=$1; shift
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[[ "$_p" ]] || {
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for v in "$@"; do
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_p+=( "$v" )
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done
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}
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}
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## Die. Why not?
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@@ -96,7 +98,7 @@ pid_wait() {
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## See if NAME is a function
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is_function() {
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declare name=$1 name_tupe
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declare name=$1 name_type
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name_type=$( type -t "$name" )
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@@ -109,7 +111,7 @@ is_function() {
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## Simple timer
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timer() {
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declare cnt timeout=$1
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declare cnt=0 timeout=$1
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shift
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while ! "$@"; do
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@@ -188,6 +190,8 @@ depend_ready() {
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super_start() {
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(( service_running )) && return 3
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rm -f "$service_stopped_flag"
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[[ -f "${service_command[0]}" ]] || return 9
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depend "${service_depends[@]}" || return 7
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@@ -250,6 +254,7 @@ super_stop() {
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nullexec kill -n "$service_stop_signal" "$service_pid" || return 1
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pid_wait "$service_pid" || return 5
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> "$service_stopped_flag"
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return 0
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fi
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@@ -273,8 +278,9 @@ info() {
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"Name" "$service_name"
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"Type" "$_type"
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"$_status_label" "$_status"
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"Exec" "$service_command ${service_args[*]}"
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"Exec" "${service_command[*]} ${service_args[*]}"
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"Respawn" "${service_respawn:-false}"
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"Config path" "${service_config}"
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)
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[[ "$_status" == 'yes' ]] && {
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@@ -312,12 +318,14 @@ restart() {
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"$0" "$service_name" start
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}
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logs() { "${PAGER:-less}" "$service_logfile"; }
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logs() { ${PAGER:-less} "$service_logfile"; }
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## Status is a bit of a special case. It's talkative.
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status() {
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(( service_running )) && return 0
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(( service_enabled )) && return 0
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(( service_stopped )) && return 7
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return 1
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}
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@@ -335,25 +343,51 @@ main() {
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# Let's set some defaults
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service_managed=1
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usrdir='/usr/share/ssm'
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if (( $UID )); then
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# XDG stuff
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default XDG_CONFIG_HOME "$HOME/.config"
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default XDG_RUNTIME_DIR "/run/user/$UID"
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cfgdir="$XDG_CONFIG_HOME/ssm"
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service_path=( "$XDG_CONFIG_HOME/ssm/services" )
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cfg_path=( "$XDG_CONFIG_HOME/ssm" )
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# Warn the user of deprecated stuff.
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if [[ -d "$XDG_CONFIG_HOME/ssm/init.d" ]]; then
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printf 'WARNING: `%s` was renamed to `%s`! Please move your scripts accordingly!\n' \
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"$XDG_CONFIG_HOME/ssm/init.d" \
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"$XDG_CONFIG_HOME/ssm/services" >&2
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service_path+=( "$XDG_CONFIG_HOME/ssm/init.d" )
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fi
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rundir="$XDG_RUNTIME_DIR/ssm"
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logdir="$HOME/log/ssm"
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else
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cfgdir='/etc/ssm'
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rundir='/run/ssm'
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logdir='/var/log/ssm'
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fi
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service_path+=( "$cfgdir/init.d" "$rundir/services" )
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# Warn the user of deprecated stuff.
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if [[ -d "/etc/ssm/init.d" ]]; then
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printf 'WARNING: `/etc/ssm/init.d` was renamed to `/etc/ssm/services`! Please move your scripts accordingly!\n' >&2
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service_path+=( "/etc/ssm/init.d" )
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fi
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# Common service path
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service_path+=( '/etc/ssm/services' "$rundir/services" "$usrdir/services" )
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# Common config path
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cfg_path+=( '/etc/ssm/conf.d' )
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# Load custom functions
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for f in "$cfgdir/functions"/*; do
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source "$f" || die 9 "Failed to source functions from $f"
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for (( idx=${#cfg_path[@]}-1; idx>=0; idx-- )); do
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cfg_dir="${cfg_path[idx]}"
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for f in "$cfg_dir/functions"/*; do
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source "$f" || die 9 "Failed to source functions from $f"
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done
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done
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# Now create the needed runtime stuff
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@@ -367,7 +401,10 @@ main() {
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service_config=$1
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else
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for i in "${service_path[@]}"; do
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[[ -f "$i/$1" ]] && service_config="$i/$1"
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[[ -f "$i/$1" ]] && {
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service_config="$i/$1"
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break
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}
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done
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fi
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@@ -381,12 +418,15 @@ main() {
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svc_pidfile="$rundir/$service_name.pid"
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# Get the service defaults
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[[ -f "$cfgdir/conf.d/$service_name" ]] && {
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source "$cfgdir/conf.d/$service_name" || die 5 "Failed to read service defaults: $cfgdir/conf.d/$service_name"
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}
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for p in "${cfg_path[@]}"; do
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[[ -f "$p/conf.d/$service_name" ]] && {
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source "$p/conf.d/$service_name" || die 5 "Failed to read service defaults: $p/conf.d/$service_name"
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break
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}
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done
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# Get the service config
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source -- "$service_config" "${@:3}" || die 7 "Failed to read the service config: $cfgdir/init.d/$service_name"
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source -- "$service_config" "${@:3}" || die 7 "Failed to read the service config: $service_config"
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# Legacy
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[[ "$service_args" ]] && service_command=( "${service_command[@]}" "${service_args[@]}" )
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@@ -402,17 +442,16 @@ main() {
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fi
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# Service-level defaults
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default service_pidfile "$svc_pidfile"
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default service_logfile "$logdir/$service_name.log"
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default service_stop_timeout 30
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default service_ready_timeout 15
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default service_stop_signal 15
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default service_reload_signal 1
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default service_ready_flag "$rundir/$service_name.ready"
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default service_enabled_flag "$rundir/$service_name.enabled"
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# default does not support arrays
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[[ "$service_signals" ]] || service_signals=( 1 10 12 )
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default service_pidfile "$svc_pidfile"
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default service_logfile "$logdir/$service_name.log"
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default service_ready_flag "$rundir/$service_name.ready"
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default service_enabled_flag "$rundir/$service_name.enabled"
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default service_stopped_flag "$rundir/$service_name.stopped"
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default service_stop_timeout 30
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default service_ready_timeout 15
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default service_stop_signal 15
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default service_reload_signal 1
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default service_signals 1 10 12
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# Let's see if there's a PID
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if [[ -f "$service_pidfile" ]]; then
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@@ -430,9 +469,20 @@ main() {
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service_enabled=1
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fi
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# Let's see if the service was deliberately stopped
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if [[ -f "$service_stopped_flag" ]]; then
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# Ooh, it was.
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service_stopped=1
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fi
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# Check if action is even defined
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is_function "$2" || die 17 "Function $2 is not defined for $service_name."
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# cd into the workdir, if defined.
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[[ "$service_workdir" ]] && {
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cd "$service_workdir" || die $?
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}
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# Run pre_$action function
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if is_function "pre_$2"; then
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"pre_$2" || {
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@@ -475,7 +525,8 @@ main() {
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else
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result "$res" \
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0 "$service_name is running" \
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1 "$service_name is not running"
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1 "$service_name is not running" \
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7 "$service_name was stopped"
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fi
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;;
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esac
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Reference in New Issue
Block a user